Transaction not yet indexed

SMtksuBRDCwBtGrioEtAczDxsYSdJ4SAxFsF21fjF9MEpMKBgWN5yKMGosRdR3jonTp4eY1M2cFhWVGLxZUtJk4

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.